Peter van Eyck

Maj. Bob Anders

O.E. Hasse

Prof. Larsen

Yvonne Furneaux

Gilda Larsen

Walter Rilla

Prof. Pohland

Ernst Schröder

Chefarzt

Dieter Eppler

Kaspar

Wolfgang Preiss

Dr. Mabuse

Rika Dialina

Judy

Robert Beatty

Col. Matson

Claudio Gora

Direktor Botani / Dr. Mabuse

Gustavo Rojo

Mario Monta

Charles Fawcett

Cmdr. Adams

Leo Genn

Adm. Quency

Yoko Tani

Mercedes

Heinz Giese

Col. Matson (voice)

Reinhard Kolldehoff

Lotus (voice)

Gerd Martienzen

Mario Monta (voice)

Friedrich Schoenfelder

Jason Monta (voice)